UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e6KZcBFIjSS1BDRqukYzptzwE9DLYcz6HtgPUqNSaUk=' 
WHERE 
  key_id = '3e746e7f5ea370a1091f69722583209e255f351c329b324b11ba9c5aa1edf119' 
  AND (
    token = 'e6KZcBFIjSS1BDRqukYzptzwE9DLYcz6HtgPUqNSaUk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )